2004 ISUZU TF SERIES immobilizer

[x] Cancel search: immobilizer

Page 2088 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E-92  3.5L ENGINE DRIVEABILITY AND EMISSIONS
 
2.Demand of Data 
1. 
Connect Tech-2 to the vehicle. When activated b
y
turning on the power of Tech-2, push the "Enter"
switch. 
2. 
Turn on the igniti

Page 2096 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E-100  3.5L ENGINE DRIVEABILITY AND EMISSIONS
 
Step   Action  Value (s)  Yes  No 
11 
 Using the DVM and check the data link connector 
communication circuit. 
1.  Ignition "Off", engine "Off". 
2.

Page 2099 of 4264

ISUZU TF SERIES 2004  Workshop Manual 3.5L ENGINE DRIVEABILITY AND EMISSIONS  6E -103
 
Step
 Action Value (s) Yes No 
6 
Replace the ECM. 
Is the action complete? 
IMPORTANT:
 The replacement ECM must be 
programmed. Refer to section of

Page 2101 of 4264

ISUZU TF SERIES 2004  Workshop Manual 3.5L ENGINE DRIVEABILITY AND EMISSIONS  6E -105
 
Check Engine Lamp (MIL) “ON" Steady 
 
Step   Action  Value (s)  Yes  No 
1 
1.  Ignition "Off", engine "Off".  
2.  Disconnect the ECM connector.

Page 2111 of 4264

ISUZU TF SERIES 2004  Workshop Manual 3.5L ENGINE DRIVEABILITY AND EMISSIONS 6E-115 
Step   Action  Value (s)  Yes  No 
13 
Using the DVM and check the fuel pump ground 
circuit.   
1.  Ignition "Off", engine "Off".   
2.  Disconnect the

Page 2125 of 4264

ISUZU TF SERIES 2004  Workshop Manual 3.5L ENGINE DRIVEABILITY AND EMISSIONS 6E-129 
Step   Action  Value (s)  Yes  No 
28 
Is the ECM programmed with the latest software 
release?  
If not, download the latest software to the ECM using

Page 2137 of 4264

ISUZU TF SERIES 2004  Workshop Manual 3.5L ENGINE DRIVEABILITY AND EMISSIONS  6E-141 
Flash 
Code Code  Type  DTC Name  DTC Setting Condition  Fail-Safe (Back Up)  Recovery Condition  Related Failure Parts  Related 
ECM Pin 
No. Related

Page 2144 of 4264

ISUZU TF SERIES 2004  Workshop Manual 6E-148  3.5L ENGINE DRIVEABILITY AND EMISSIONS 
Step   Action  Value (s)  Yes  No 
8 
 Using the DVM and check the MAF sensor signal 
circuit. 
1.  Ignition "Off", engine "Off". 
2.  Disconnect the MA